﻿T. 
  W. 
  Kirk. 
  — 
  Additions 
  to 
  Carciiioloyical 
  Fauna 
  of 
  New 
  Zealand. 
  39S 
  

  

  Pam. 
  2, 
  Capkellida. 
  

   Pleoii 
  rudimentary 
  : 
  oral 
  appendages 
  normally 
  developed 
  ; 
  coxae 
  fused 
  

   with 
  the 
  pereion 
  ; 
  branchial 
  sacs 
  attached 
  to 
  the 
  first 
  two 
  or 
  three 
  segments 
  

  

  of 
  the 
  pereion. 
  

  

  Caprella. 
  

   Caprella, 
  Lamarck, 
  Syst. 
  des 
  anim. 
  sans 
  vert., 
  p. 
  165. 
  

   Leach, 
  Linn. 
  Trans. 
  11. 
  , 
  p. 
  363. 
  

   Edwards, 
  Hist, 
  des 
  Crust. 
  III., 
  p. 
  105. 
  

   Ei-oyer, 
  Nat. 
  Tidskr. 
  IV., 
  p. 
  496, 
  1842-3. 
  

   JSgina, 
  Krbyer, 
  Nat. 
  Tidskr. 
  IV., 
  1848. 
  

   Podalirius, 
  Kroyer, 
  Nat. 
  Tidskr. 
  V., 
  1844. 
  

  

  Body 
  cylindrical 
  ; 
  cephalon 
  and 
  first 
  segments 
  of 
  pereion 
  confluent 
  ; 
  

   pleon 
  rudimentary 
  ; 
  gnathopoda 
  sub-chelate 
  ; 
  first 
  two 
  pairs 
  of 
  pereiopoda 
  

   represented 
  by 
  the 
  branchias 
  attached 
  to 
  their 
  respective 
  segments 
  only 
  ; 
  

   three 
  posterior 
  pairs 
  of 
  pereiopoda 
  subequal 
  ; 
  first 
  and 
  second 
  pairs 
  of 
  

   pleopoda 
  rudimentary 
  in 
  the 
  male 
  ; 
  the 
  rest 
  obsolete. 
  (Spence 
  Bate, 
  Cat. 
  

   Amphip. 
  Crust. 
  Brit. 
  Mus., 
  p. 
  353.) 
  

  

  Cajnella 
  novcB-zealandice 
  , 
  sp. 
  nov. 
  

  

  Cejjhalon 
  furnished 
  with 
  a 
  spinous 
  tooth 
  directed 
  forwards 
  ; 
  first 
  segment 
  

   of 
  the 
  pereion 
  rather 
  short, 
  second 
  long, 
  third 
  and 
  following 
  gradually 
  

   decreasing 
  ; 
  superior 
  antenna 
  two-fifths 
  the 
  length 
  of 
  animal 
  ; 
  flagellum 
  

   with 
  the 
  infero-distal 
  extremity 
  of 
  each 
  articulus 
  produced, 
  but 
  witliout 
  cilia 
  ; 
  

   inferior 
  antennse 
  not 
  so 
  long 
  as 
  the 
  peduncle 
  of 
  the 
  superior 
  by 
  one 
  joint 
  ; 
  

   second 
  pair 
  of 
  gnathopoda 
  articulating 
  behind 
  the 
  centre 
  of 
  second 
  segment 
  

   of 
  pereion 
  ; 
  propodos 
  ovate 
  ; 
  palm 
  armed 
  with 
  a 
  prominent 
  posterior 
  tooth, 
  

   against 
  which 
  the 
  closed 
  dactylos 
  impinges, 
  and 
  a 
  smaller 
  but 
  distinct 
  

   anterior 
  tooth 
  (not 
  lobe) 
  ; 
  dactylos 
  very 
  much 
  curved 
  ; 
  three 
  posterior 
  pairs 
  

   of 
  pereiopoda 
  have 
  the 
  anterior 
  margins 
  excavate 
  and 
  ciliate 
  ; 
  the 
  parts 
  

   against 
  which 
  the 
  closed 
  dactylos 
  impinges, 
  armed 
  with 
  a 
  strong 
  tooth. 
  

  

  Length 
  1 
  in. 
  

  

  Hah 
  : 
  Cook 
  Strait. 
  

  

  This 
  species 
  approaches 
  C. 
  geometrica, 
  Say, 
  (Cat. 
  Amphip. 
  Crust. 
  Brit. 
  

   Mus., 
  p. 
  357), 
  from 
  which 
  it 
  differs, 
  however, 
  in 
  the 
  form 
  of 
  the 
  spine 
  on 
  the 
  

   cephalon, 
  in 
  the 
  length 
  of 
  the 
  antenn£e, 
  and 
  in 
  the 
  articulation 
  and 
  arming 
  

   of 
  the 
  second 
  pair 
  of 
  gnathopoda. 
  

  

  Caprella 
  lohata, 
  Guerin. 
  

  

  Squilla 
  lohata, 
  Miiller, 
  0. 
  Fabr. 
  Faun. 
  Gronl., 
  p. 
  248. 
  

   Caprella 
  lohata, 
  Guerin, 
  Iconogr. 
  Crust., 
  pi. 
  28, 
  f. 
  22. 
  

  

  ,, 
  ,, 
  Kroyer, 
  Voy. 
  en 
  Scand., 
  pi. 
  25, 
  f. 
  3. 
  

  

  ,, 
  ,, 
  Stimpson, 
  Nat. 
  Hist. 
  Invert. 
  Grand 
  Manan., 
  p. 
  44. 
  

  

  Mgina 
  longicornis, 
  Kroyer, 
  Voy. 
  en 
  Scand., 
  pi. 
  26, 
  f. 
  3. 
  

   Caprella 
  IcEvis, 
  Goodsir, 
  Edinb. 
  New 
  Phil. 
  Journ., 
  XXXIII. 
  

  

  „ 
  „ 
  White, 
  Hist. 
  Brit. 
  Crust., 
  p. 
  215. 
  

  

  Caprella 
  linearis, 
  Leach, 
  Edinb. 
  EncycL, 
  p. 
  404, 
  

  

  